[Cue destruction theme. Title card Attack of the Alligators! is displayed then fades. Scene opens to a dense jungle to show a large alligator resting on a river embankment. In the background, a boat called the Maria with two men on board, passes by. Cuts to an overhead shot of the scene. It is revealed that there are two alligators on the bank. One of them swims into the river. The passenger of the boat, Blackmer and the boatman, Culp, see the alligator.] [The alligator continues up the river without causing any trouble.] [Scene cuts to basement laboratory.] [Scene cuts back to the Maria.]